Who invested in ClairMail?
ClairMail's investors include Norwest Venture Partners, Outlook Ventures, Icon Ventures, Jafco Ventures and Investor AB.

United States · Series D startup
Funding summaryUpdated 26 Oct 2026
$34Mraised across 3 rounds since 2005, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by clairmail.com
Reported by clairmail.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
From historical deal records. Wrong? Tell us.
ClairMail's investors include Norwest Venture Partners, Outlook Ventures, Icon Ventures, Jafco Ventures and Investor AB.
ClairMail has raised $34M across 3 rounds since 2005.
ClairMail's most recent round was a Series D of $14M in Oct 2010.
Its most recent round, $14M in Oct 2010, is also its largest on record.
ClairMail's first round on record, in Aug 2005, was backed by Norwest Venture Partners and Outlook Ventures.
ClairMail's latest named round is a Series D, in Oct 2010.
ClairMail is based in the United States.
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